Image reconstruction is often converted to the nonrestraint extremum of the nonlinear equations.We have deduced a conjugate gradient algorithm from the extremum of norm.

图像重建常常被转化为解非线性无约束极值问题,通过范数极小化推导出共轭梯度法的一般算法。

Objective: To probe into the value of the spiral CT 3-dimensional image reconstruction used in the diagnosis of the complicated membrum minor articulus trauma.

探讨CT三维重建成像对诊断四肢复杂小关节外伤的价值。